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Cisco Reference
Here's some useful Cisco information that we've compiled over the last few years.
Router Performance

Gigabit Ethernet

Cisco 2500 Series Map

IOS Security Checklist

 

Router(config)#service password-encryption
Router(config)#enable secret
                                                                                
Secure Console Ports
Secure AUX Ports
 Router(config-line)# login
 Router(config-line)# password
Secure VTY Ports
 Router(config-line)# login
 Router(config-line)# password
 Router(config-line)# ip access-class (VTY ONLY)
 Router(config-line)# transport input telnet (VTY ONLY)
                                                                                
Guard against sessions accidentally left idle ?
Router(config)# service tcp-keepalives-in
                                                                                
Warning Banners
Router(config)# banner login
banner login ^C
----- whatever Systems, Inc. -----
No unauthorized access to this device will be permitted.
All actions are logged
^C
                                                                                
                                                                                
Router(config)# no ip http server
                                                                                
Logging
Rotuer(config)# logging trap notifications
Rotuer(config)# logging (server)
                                                                                
Time
Router(config)# service timestamps log datetime
Router(config)# service timestamps debug datetime
                                                                                
Anti-Spoofing
Router(config-if)# ip verify unicast rpf
                                                                                
Directed Broadcasts
Router(config-if)# no ip directed-broadcast
                                                                                
No IP Source ROuting
Router(config)# no ip source-route
                                                                                
Remove Unnecessary services
no service tcp-small-servers
no service udp-small-servers
no service finger

Disable CDP
no cdp run

SNMP access list
snmp-server community whatever RO x
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